25720456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 51300000

約数和(自身を除く): 25579544

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 379, 499, 758, 998, 1516, 1996, 3032, 3992, 6443, 8483, 12886, 16966, 25772, 33932, 51544, 67864, 189121, 378242, 756484, 1512968, 3215057, 6430114, 12860228, 25720456]

約数ペア:

[(1, 25720456), (2, 12860228), (4, 6430114), (8, 3215057), (17, 1512968), (34, 756484), (68, 378242), (136, 189121), (379, 67864), (499, 51544), (758, 33932), (998, 25772), (1516, 16966), (1996, 12886), (3032, 8483), (3992, 6443)]